MS35756-31

View detailed technical data, stock status, and sourcing information for: MS35756-31
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5315 Pins, Machine Keys and Nails

National Stock Number

5315-00-019-2409

Item Name Code

02380

Assigment Date

01/01/1963 (63 years ago)

An item in the form of a segment of a disk, which may have a flat bottom, with or without projecting shoulders, designed to fit into a keyway in an axle or shaft, and into a matching slot in the hub or boss of a wheel, gear or pulley.

0.302 inches minimum and 0.312 inches maximum circle diameter, 0.010 inches minimum and 0.020 inches maximum starting edge radius, woodruff 206 key size designation, 0.0625 inches minimum and 0.0635 inches maximum thickness, 0.135 inches minimum and 0.140 inches maximum key height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Circle Diameter: 0.302 inches minimum and 0.312 inches maximum
Thickness: 0.0625 inches minimum and 0.0635 inches maximum
Starting Edge Radius: 0.010 inches minimum and 0.020 inches maximum
Key Size Designation: woodruff 206
Key Height: 0.135 inches minimum and 0.140 inches maximum
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum overall
Starting Edge Shape: round
Material: steel comp 4130 or steel comp 8630 or steel comp 2330 overall
Material Document And Classification: qq-s-624 fed spec all material responses or 66 fed std all material responses overall
Style Designator: round bottom

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5315-00-151-5398	No Name Available	09/04/1991
5315-00-197-3408	No Name Available	03/01/1985
5315-00-205-7179	Woodruff Key	07/01/2025
5315-00-275-4883	Woodruff Key	07/01/2025
5315-00-421-9904	No Name Available	12/01/1991
5315-00-442-0603	No Name Available	09/04/1991
5315-00-576-1760	No Name Available	07/16/1996
5315-00-663-9995	Woodruff Key	07/01/2025
5342-00-908-5654	No Name Available	05/01/2004
5315-01-065-8871	No Name Available	02/01/1987

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
10122523	Woodruff Key
999539-02	Woodruff Key
CR-206	Woodruff Key
MS35756-31	Woodruff Key

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5315-00-019-2409?

The FSCG of the NSN 5315-00-019-2409 is 5315

Does the NSN 5315-00-019-2409 have a Schedule B code assigned?

Yes, the Schedule B code is 8487900080

Does NSN 5315-00-019-2409 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5315-00-019-2409 contain precious materials?

Item does not contain precious metal.

Does NSN 5315-00-019-2409 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5315-00-019-2409 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963